Articles tagged with ip-verify

  1. Cisco's New ip verify unicast source reachable-via

    Posted on in Networking

    Regret (photo by xymonau) id: 523790Oops! I guess I'm way behind the times.

    For quite a while, I've been using ip verify unicast reverse-path to prevent packets with spoofed source addresses from crossing my routers. Apparently, as of IOS 12.0 (12.4 is current as of this writing), that command has been replaced with …

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